Part Type: Main Logic CTRL Board Control Board Logic Main CTRL Board Part Number: BN96-20513A (750D)is on barcode Known Models: SAMSUNG PN51D430A3DXZA PN51D440A5DXZA PN51D450A2DXZA PN51D490A1DXZA PN51D495A6DXZA PCB Number: LJ41-09475A PBA Number: LJ92-01750D